Product category:
Process Hardware (Pipes, Nozzles, Heaters, etc)
News Release from: SMS-Tork Industrial Control Valves | Subject: Pneumatic Actuators
Edited by the Engineeringtalk Editorial
Team on 04 January 2001
Rack and pinion pneumatic valve
actuators launched
Tork Pneumatic Actuators are powerful and compact double rack pinion units for use with ball, butterfly and plug valves and any device requiring accurate fast or slow or proportional 90 deg turns
Tork Pneumatic Actuators are powerful, reliable and compact double rack pinion units for use with ball, butterfly and plug valves and any device requiring accurate fast or slow or proportional 90 deg turn motion Tork Pneumatic Actuators are manufactured in seven different sizes both double-acting and single acting spring return type
This article was originally published on Engineeringtalk on 19 Mar 2001 at 8.00am (UK)
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Because of the rack and pinion units torque value is constant in complete movement.
Besides the standard manufacturing programme, pneumatic actuators can be manufactured with+/-10% stroke adjustment,180 deg.
turn and 3-position types.
Optional extras include solenoid valves, limit switches (mechanical or proximity type) and positioners (pneumatic or electro-pneumatic).
Body Material: Extruded Aluminium, hard anodized Pistons: Cast Aluminium.
Pinion: Steel (cadmium plated),stainless steel.
Gaskets: Nitrile rubber.
Bearings: Easy sliding hard plastic.
Actuator/valve connections: ISO.
Solenoid valve connections: NAMUR.
Positioner and limit switch box: NAMUR.
Solenoid valve coil: IP 65 with plug or as Ex-proof.
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